Dewar(vacuum)flask
[化] 真空瓶; 杜瓦(真空)瓶
🗣️ 情景例句
If you've been with someone for this length of time you'll have to ask yourself what reservations have I got?
如果你和某人生活了这么长时间，你得问一下自己，你对这段婚姻满意吗？
Have you drunk any coffee?
你喝过咖啡吗？
Class 3 did very well in the school sports meeting last week.
“3班在上星期的校运会上表现很好。